Translations

Has the ability to quietly whisper information gathered by the witch's servants to Homura.

Bottom left:
As it is similar in nature to a witch, the Dark Orb will occasionally walk about on its own. It does listen to orders, but it isn't something Homura can leave unattended.

Bottom right:
Lizard-shaped
The eyeball is a (purple) gemstone. Madoka's power is sealed in the gemstone hanging off its tail. Unlike when she was a magical girl, when Homura uses magic, patterns come from the body, and the eye shines, giving the impression that the gemstone is not used as a medium.